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CLOTH PLAITING MACHINE.

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(No Model.)

A. BOROHARDT. CLOTH PLAITiNG MACHINE.

N0. 361,125. Patented Apr. 12,1887;

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CLOTH PLAITING MACHINE.

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Patented Apr. 12, 1887\ (No Model.) 5 Sheets-Sheet 4. A. BOROHARDT.CLOTH PLAITING MACHINE.

' No. 361 ,125. Patented Apr. 12, 1887-.\

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UNITED STATES PATENT OrFrcE.

ALBERT BORCHARDT, OF HOBOKEN, NEW JERSEY.

CLOTH-PLAITING MACHINE.

SPBCIFTCATION forming part of Letters Patent No. 361,125, dated April12, 1887.

Application filed December 1, 1886. Serial No. 220,338. (No model.)

To all whom/it may concern.-

Be it known that I, ALBERT BOROHARDT, of Hoboken, New Jersey, haveinvented certain Improvements in Oloth-Plaiting Machines, of which thefollowing is a specification.

In cloth-plaiting machines as heretofore constructed the fabric ispassed between intermittently-rotating creasing-rollers, one or both ofwhich are heated. When these rollers are brought to rest, areciprocating tuckingblade, the edge of which presses gently downwardtoward the surface of the lower roller and is armed withslightly-projecting teeth, catches the fabric lying upon the surface ofthe lower roller and presses it forward toward the line of bearing ofthe rollers upon the fabric, thus forming in the fabric a double bightor return-bend, which, when the creasing-rollers are again rotated, ispressed down and creased.

For the purpose of fastening the plaits in their folded position, cordswhich have been previously carried through a bath of mucilage or glueare fed between the creasing-rollers near the edges of the fabric, andare pressed down and made to adhere to the folds. This mode of fasteningthe plaits, however, results in the smearing of the rolls with gum ormucilage pressed out of the cord, and hence in the smearing, to agreater or less extent, of the fabric. This difficulty of course doesnot ensue when the gummed cord is not employed, in which case, .afterthe fabric has passed through the plaiting-machine, it is refolded andstitched along its longitudinal edges, for the purpose of retaining theplaits in their folded positions.

The object of the present improvement is to avoid the gumming of thecreasing-rollers and the smearing of the fabric with gum, whileautomatically effecting the fastening of the plaits in the machine inwhich the plaiting operation is performed.

To this end the invention consists, first, in suitable mechanism forfeeding between the edges of the plaited fabric and the uppercreasing-roller strips of paper coated upon their under sides with anadhesive substance,

I which strips are by the rotation of the rollers pressed down along theedges of the plaited fabric.

The second feature of the invention consists in the arrangement, inconnection with the lower creasing roller, of a tensionroller mounted inbearings which are preferably adjustable toward and from the lowercreasingroller. The tension-roller, which may also be a heated roller,is circumferentially grooved, so. that it bears only upon the paperstrips applied to the edges of the plaited fabric. The tension-roller isdriven a little faster than the creasing-rollers, and thus exerts aslight pull, which stretches the plaited-fabric to which the paperstrips have been applied with more or less tension over so much of thelower creasing-roller as intervenes between the line of bearing of thetension-roller and the line of bearing of the upper creasing-roller.

The prolonged contact ofthe plaited fabric and the strips adheringthereto with the surfaces of the heated rollers effects two usefulresults. It dries the paste or other adhesive material with which theunder surfaces of the plaiting machine containing the improvements 7 areas follows:

Figure 1 is a front elevation of the machine, showing a portion of thelower creasing-roller in central vertical longitudinal section, for thepurpose of illustrating a mode in which the rollers may be convenientlyheated. Fig. 2 is a transverse section through the line as w on Fig. 1.Fig. 3 is an elevation of the righthand side of the machine. Fig. 4 isan elevation of the left-hand side of the machine. Fig. 5 is ahorizontal section through the offset dotted line y 3 on Fig. 4..

F, and in the opposite direction by the retracting spiral spring E Thedriving-shaft F is provided with the crank G, for giving motion, bymeans of the pitman G,to the radius-bar Gflloosely mounted upon theshaft B of the upper creasing-roller, and provided with the pawl G forengaging the teeth of the ratchet-wheel B affixed to the shaft B, andthus imparting a prescribed range of rotating movement to the uppercreasing-roller, and to the rollers geared thereto, during eachrevolution of the drivingshaft F. The upper creasing-roller is mountedin the usual vertical adjustable boxes, B.

One of the new features of the machine is the tension-roller h, to thehollow shaft h of which is affixed the pinion k which engages with andis driven by the spur-wheel G, affixed to the shaft 0 of the lowercreasing-roller, O. The spur-wheel G is made slightly larger than thepinion h in order to drive the roller h a little faster than thecreasing-roller O.

- The heating ofthe tension-roller may be effected, in the usual way, bymeans of the j ets of flame from a gas-pipe, h inserted through thehollow shaft h and affixed to the gas servicepipe h.

Another feature of the present invention consists of the paper-stri preels 1' 1, upon which the paper strips i i, &c., are coiled, and fromwhich the strips 12 t are delivered with such tension as may be due tothe bearing upon the surface of the coil, in each case, of a brake,affixed to the end of a pivoted arm, i provided with an adjustableweight, '5 From the reels i z, respectively, each of the paper strips 2"is led by means of suitable guide-rollers downward to a paste-reservoir,j, and over a paste-roller, j, having its lower portion immersed in thepaste or other fluid adhesive material, 3, contained in thepaste-reservoir.

After passing over the paste-roller the strips 17-13 are respectivelyled under the upper creasing-roller, and are so guided that they arepressed downward by the upper creasingroller alongthe edges of theplaited fabric L as the latter passes through between thecreasing-rollers. If the reels, guide-rollers, and pasting-rollers areproperly adjusted, the strips of paper will be appropriately deliveredbetween the creasing-rollers; but, as ameasure of abundant caution, eachof the strips is carried between the adjustable guides k, which aresecured by set-screws to the horizontal bar is, supported in the frameof the machine in a posiseen that the paper fastening-strips i areapplied to the edges of the fabric concurrently with the creasingoperation, and that the plaited fabric with the strips applied istherefore held in contact with the surfaces of the heated rollers for asufficient length of time to dry the paste, and to thus permanentlysecure the plaits in their folded position, so that the plaited fabriccan be handled without causing the unfolding of the plaits.

As the fastening-strips are applied to the edges of the plaited fabric,it is not necessary to remove the strips until after the fabric has beensewed to the object in connection with which it is to be used, afterwhich the paper fastening-strips, if they show, can easily be torn off.

What is claimed as the invention is l. The combination, in acloth-plaiting ma- By the operation of the machine it will be chine, asset forth, of the pl'ait-forming device and the creasing-rollers with apaste roller or rollers and means for guiding strips of paper over thesurfaceor surfaces of said paste roller or rollers and between thecreasing-rollers, whereby the paper strips are pasted upon one side onlyand their pasted surfaces are pressed against and made to adhere to theplaited fabric along the edges thereof, respectively.

2. In' combination with the creasing-rollers B and O and means,substantially such as described, for pasting the paper strips 7: uponone side only and feeding the same to the creasingrollers, thetension-roller h, for bold ing the plaited fabric and the paper stripadhering thereto against the surface of the lower creasing-roller, andthereby prolonging the period during which the plaited fabric and thepaper strip adhering thereto is held in contact with the heated surfaceofthe lower creasing-roller.

3. A paper-strip reel, i, a paste-roller, j, and suitable guide-rollersfor leading the strips from the reel 5 over the said paste-roller, incombination with the creasing-rollers B and O and means for formingplaits in a fabric which is fed between the creasing rollers,

whereby the pasted surface of the paper strip t" is laid along the edgeof the plaited fabric and pressed against the surface thereof by'itspassage between the creasing-rollers.

4. In a cloth-plaiting machine substantension-roller h to move slightlyfaster than tially such as described, provided with means the surface ofthe creasing-roller O, as and for for automatically applying strips ofpaper the purpose set forth.

pasted upon one side only to the edges of the ALBERT BOROHARDT. 5plaited fabric, the combination of the creasing- Witnesses:

rollers B and G, the tension-roller h, and suit- R. G. HOWES, ablegearing for causing the surface of the M. L. ADAMS.

